Friday, May 8th 2026

Arc Raiders Dev Tests New Kernel-Level Anti-Cheat Solution, Raising Questions About Linux Support

Arc Raiders is one of only a handful of semi-competitive, shooters with a large player base that has a Platinum rating on ProtonDB, thanks to its Linux-friendly Easy Anti-Cheat implementation. In a recent blog post addressing the studio's plans to "ensure fair play," Arc Raiders developer, Embark Studios, confirmed that it is testing a new kernel-level anti-cheat solution that the studio expects "will sharpen both detection and precision throughout Speranza and the Rust Belt." The studio confirms that, in addition to the pre-existing kernel-level anti-cheat implementation, it relies heavily on machine learning tools and input telemetry data in order to catch cheaters. In spite of these existing efforts, Steam user reviews still complain bitterly about the presence of cheaters in Arc Raiders.

It should be noted that Embark has clearly considered Linux playability via Proton and similar tools, as well as its Steam Deck Verified status, until now. There's a fair bit of the anti-cheat blog post dedicated to accessibility and players on uncommon hardware and input devices, with the developer promising to continue letting players with unorthodox accessibility tools play the game. Additionally, when Embark first implemented kernel-level anti-cheat in The Finals, it promised to maintain support for Linux and the Steam Deck, so there's a fairly decent chance that Arc Raiders may remain playable on Linux devices. That said, in cases like that of Apex Legends, Respawn and EA have claimed that dropping Linux support resulted in a 33% decline in cheaters, giving rise to a notion in certain circles that Linux is a cheater's operating system.
Sources: Embark Studios, ProtonDB
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44 Comments on Arc Raiders Dev Tests New Kernel-Level Anti-Cheat Solution, Raising Questions About Linux Support

#26
Dr. Dro
Freedom4556Of course there's SteamOS, but it cannot officially be installed on random PC hardware. They will have to open that up eventually, and not "when Half Life 3 comes out" eventually.
SteamOS is basically just custom tweaked variant of Arch Linux anyways. VAC on Linux doesn't require SteamOS.
Posted on Reply
#27
lexluthermiester
Oh, gee-wiz, another dev going the wrong direction with anti-cheat.. What a shocker..
TheGeekn°72ADD SERVER SIDE ANTICHEAT ALREADY
This. It's the only real way forward. Anti-cheat measures should never be client side. They need to be server-side where the player can not access the stats.
Posted on Reply
#28
Rulumi
Freedom4556Of course there's SteamOS, but it cannot officially be installed on random PC hardware. They will have to open that up eventually, and not "when Half Life 3 comes out" eventually.
I don't think they'll release SteamOS as a general hardware supporting OS any time soon, I don't think Valve wants to go through handling all the needed extra support handling as well as resources and time that would take.

But they really don't need to anyway, just take any current distribution recent release that gets frequent updtes and you already will get good performance without much difference. And for anyone truly invested in SteamOS like "accurate" experience, there's always the option to just setup Arch Linux manually like so or use an Arch based distribution.
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#29
TheGeekn°72
Freedom4556Of course there's SteamOS, but it cannot officially be installed on random PC hardware.
This is entirely unrelated; if it works on SteamOS, it'll work on other distros
PatriotYou need clean data, if arc raiders devs start trying to train on current player data... it wont be able to catch cheaters because they aren't an anomaly....
what are you talking about, they can train them on known cheating data
they don't just give it a game session's data and tell it to figure it out
they set parameters as to what should constitutes a cheater, actual data of recorded cheaters
Posted on Reply
#30
Freedom4556
TheGeekn°72This is entirely unrelated; if it works on SteamOS, it'll work on other distros
This is not a given, and if we want industry buy-in, there needs to be a single, stable target for developers. That's true for both VAC and for 3rd party anti-cheat. It's more about trust than it is about technical issues. Nobody is going to bet their revenue source on "it should just work." Any Linux gaming distro will need testing and assurance, and that includes assurance that there is someone to pressure to make fixes when there are issues.

The only real player with actual financial skin in gaming on Linux is Valve. They are going to have to be the ones to stick their necks out. Almost all other Linux distro maintainers are hobbyists with day jobs.
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#31
R-T-B
Freedom4556Of course there's SteamOS, but it cannot officially be installed on random PC hardware. They will have to open that up eventually, and not "when Half Life 3 comes out" eventually.
Any anticheat that runs on SteamOS will run anywhere steam can run, that includes other linux builds.
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#32
TheGeekn°72
Freedom4556This is not a given
it's a "mostly given", what large use distro does support most broadly used dependencies??
Freedom4556and if we want industry buy-in, there needs to be a single, stable target for developers.
hence SteamOS... and while SteamOS doesn't support Nvidia, do tell why that would be a problem? the graphics run on GPU but last I checked, the who compute of the game happens on CPU and most hacks consist in reading data in RAM, right? if that works on SteamOS, which has the same microcode/firmware/CPU drivers than all other disros since those are built directly in the Linux kernel, it should work everywhere
Freedom4556That's true for both VAC and for 3rd party anti-cheat. It's more about trust than it is about technical issues. Nobody is going to bet their revenue source on "it should just work." Any Linux gaming distro will need testing and assurance, and that includes assurance that there is someone to pressure to make fixes when there are issues.
wouldn't the support supposed to be assured by the Anti Cheat makers? they just need to support the biggest ones: Arch (SteamOS/CachyOS), Fedora (Bazzite), Ubuntu (Mint), not much else comes close to the userbase of those distros for Linux gaming
Freedom4556The only real player with actual financial skin in gaming on Linux is Valve. They are going to have to be the ones to stick their necks out. Almost all other Linux distro maintainers are hobbyists with day jobs.
Because Ubuntu isn't backed by Canonical? and Arch/Fedora have a LOT of serious income from user support even if it's not really comparable in scale
Posted on Reply
#33
lexluthermiester
TheGeekn°72Because Ubuntu isn't backed by Canonical?
What? It most certainly is. Who do you think makes Ubuntu? Or were you being funny?
Posted on Reply
#34
Bagerklestyne
lexluthermiesterThis. It's the only real way forward. Anti-cheat measures should never be client side. They need to be server-side where the player can not access the stats.
How do you adapt it though. When client side ones already had issues detecting cheats on monitors like the MEG321URX (which never came to market, but demonstrated ai gaming assisted tech running on the monitor that vanguard couldn't pick it up because there's nothing running on the o.s)

If your anti cheat software locally can't see it, how can the server ?
Posted on Reply
#35
AleXXX666
Dr. DroSteamOS is basically just custom tweaked variant of Arch Linux anyways. VAC on Linux doesn't require SteamOS.
IDGF I want SteamOS OFFICIALLY on any PC over any Bazzite, Trashite or f..in' around with unofficial installing anyday:rolleyes::oops:
Posted on Reply
#36
Dr. Dro
AleXXX666IDGF I want SteamOS OFFICIALLY on any PC over any Bazzite, Trashite or f..in' around with unofficial installing anyday:rolleyes::oops:
I may be too much of a normie for this but... I just want Windows not to be dogshit for once
Posted on Reply
#37
AleXXX666
Dr. DroI may be too much of a normie for this but... I just want Windows not to be dogshit for once
exactly. I'd like to use my Personal COMPUTER not only the way I used old game console for TV at the end of 90's.
Posted on Reply
#38
lexluthermiester
BagerklestyneHow do you adapt it though. When client side ones already had issues detecting cheats on monitors like the MEG321URX (which never came to market, but demonstrated ai gaming assisted tech running on the monitor that vanguard couldn't pick it up because there's nothing running on the o.s)

If your anti cheat software locally can't see it, how can the server ?
This statement shows you really don't understand how things work. All player stats are monitored and calculated by the server running the game. If the devs move the control of same to the server, players can only see each other when the server calculates they should. Players can only interact with each other when they should. Player data is only shared when the server calculates it is needed and then stop sharing data when it is not needed.

This is not rocket science and would be trivial to implement IF the devs gave a damn to use their brains for something more than a seat cushion.
Posted on Reply
#42
95Viper
Stop the insulting remarks, bickering, and flexing.

Discuss with civility and play nice.
This is the Only Warning...
Posted on Reply
#43
Dukenukemx
Using automation to detect cheats isn't going to work. Modern cheaters have a lot of tools to work around it. You need a person to always check and see what's going on. Even on consoles it's easy to cheat if you want to.
Posted on Reply
#44
Dr. Dro
DukenukemxUsing automation to detect cheats isn't going to work. Modern cheaters have a lot of tools to work around it. You need a person to always check and see what's going on. Even on consoles it's easy to cheat if you want to.
Most competitive games have a dedicated AC team and a developer that's basically on-call to handle incidents.
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